I got to see the Trainz Simulator in action at GDC this year. The Trainz series of software is extremely popular on the PC, and the company released an iPad version a little while ago to pretty high acclaim so far. I will admit to knowing nearly nothing about trains, either the real or the miniature kind (though I did have a small set as a kid), but I have to say I was impressed by the variety of the options available on the iPad version -- you can create a full virtual train set, from locomotive to caboose and even the buildings and scenery around it, completely within the touch interface of the iPad.
It's pretty impressive. If you're not already schooled in the way of the model train, you might even be a little overwhelmed with all of the options available. But it is a fun way to play around w
